“The X-70B Phantom-class prototype was a prototype starship of theSith Empire used by Imperial Intelligence. X-70B Phantoms were so technologically advanced they were never mass-produced. Instead they were elite vessels bestowed upon only the most trusted intelligence agents for the most vital missions to the Empire during the Great Galactic War. The ships were coated with a sensor-resistant exterior and equipped with the most sophisticated equipment and weapons.” – Wookieepedia: The Star Wars Wiki http://starwars.wikia.com/wiki/X-70B_Phantom-class_prototype